[CT Birds] Gull-Goldfinch Questions

David F Provencher david.f.provencher at dom.com
Mon Aug 30 13:57:38 EDT 2010


A very plausible possibility. I learned another interesting American Goldfinch fact from the BNA account. Since Goldfinches are late nesters (there are still young being fed now) and they are so granivorous (their diet is mostly seeds), that even though Brown-headed Cowbirds successfully parasitize their nests, nearly all the hatched Cowbirds in Goldfinch nests die before leaving the nest. The Cowbird chick's dietary needs can not be adequately met by the host's foraging. So we can say the bird in Greg's photo quiz was almost certainly not raised by a Goldfinch!

-----Original Message-----
From: Christopher Lovell [mailto:ctlovell at gmail.com] 
Sent: Monday, August 30, 2010 12:54 PM
To: David F Provencher (Generation - 4)
Cc: Carrier Graphics; ctbirds at lists.ctbirding.org
Subject: Re: [CT Birds] Gull-Goldfinch Questions

Interestingly, both Swiss chard and Coltsfoot are both high in sodium.
A possible explanation?

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